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//===-- AllocaHoisting.h - Hosist allocas to the entry block ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Hoist the alloca instructions in the non-entry blocks to the entry blocks.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_NVPTX_NVPTXALLOCAHOISTING_H
#define LLVM_LIB_TARGET_NVPTX_NVPTXALLOCAHOISTING_H
#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/StackProtector.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/Pass.h"
namespace llvm {
class FunctionPass;
class Function;
// Hoisting the alloca instructions in the non-entry blocks to the entry
// block.
class NVPTXAllocaHoisting : public FunctionPass {
public:
static char ID; // Pass ID
NVPTXAllocaHoisting() : FunctionPass(ID) {}
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.addRequired<DataLayoutPass>();
AU.addPreserved<MachineFunctionAnalysis>();
AU.addPreserved<StackProtector>();
}
const char *getPassName() const override {
return "NVPTX specific alloca hoisting";
}
bool runOnFunction(Function &function) override;
};
extern FunctionPass *createAllocaHoisting();
} // end namespace llvm
#endif
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